Home / 475,114.50-712,741.24-138,111.35

Finding the Fourth Proportional to 475,114.50, 712,741.24 and 138,111.35

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Solution

The fourth proportional to 475,114.50, 712,741.24 and 138,111.35 is: 207,187.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,114.50 : 712,741.24 = 138,111.35 : x
  2. Step 2: Convert to fraction form
    475,114.50/712,741.24 = 138,111.35/x
  3. Step 3: Cross multiply
    475,114.50x = 712,741.24 × 138,111.35
  4. Step 4: Simplify right side
    475,114.50x = 98,437,656,293.65
  5. Step 5: Solve for x
    x = 98,437,656,293.65/475,114.50
  6. Step 6: Final answer
    x = 207,187.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.